德国E+H  FMR51系列 物位计原理

E+H雷达测量行程时间原理
Micropilot FMR51适用于zui高要求的液位测量的标准传感器  Endress+Hauser   Endress+Hauser       
Micropilot FMR51适用于工况下的液位测量, 例如石油天然气和化工等行业的高温、高压场合。Micropilot FMR51的传感器表面采用了创新的设计，保持zui稳定的测量值。Micropilot 用于液体、浆料和泥浆的连续性、非接触式的物位测量。测量不受介质变化、温度变化、气相介质或蒸汽的影响。
E+HFMR51物位计优势
 硬件和软件开发过程符合IEC 61508标准，单台仪表满足SIL2， 同构冗余条件下达SIL3
 HistoROM集成数据存储单元，帮助快速调试、维修和诊断
 测量可靠性高，基于多回波追踪计算，即使仓内存在障碍物依然能够准确测量
 无缝集成到控制或设备管理系统
 直观的菜单引导式操作（在线或通过控制系统）
 通过世界的SIL和WHG实验认证，节约您的时间和经济成本
 基于双陶瓷耦合与气密引线设计，安全性非常高
E+HFMR51物位计应用领域
喇叭状探头，可胜任工况下的物位测量。
 过程连接：1 " 螺纹, 卡箍连接或法兰
 温度范围：-196 至 +450°C (-321 至 + 842°F)
 压力范围： -1 至 +160bar (-14.5 至 +2,320psi)
 zui大测量范围：40m (131ft), 动态响应70m (230ft)
 精度误差：±2mm
 K波段：26GHz
 防爆认证, 5-point线性协议, WHG, 造船资质认证, 气密引线
E+HFMR51物位计技术信息

测量原理	Level radar
Characteristic / Application	Premium device for continuous non-contact level measurement of liquids, pastes and slurries even under extreme process conditions; Horn antenna: 40...100 mm
Interface measurement
Supply / Communication	2-wire (HART / PROFIBUS PA/ FOUNDATION Fieldbus) 4-wire (HART)
Frequency	K-band (~26 GHz)
Accuracy	+/- 2 mm (0.08 in)
Long term stability
Linearity error for conductive liquids
Ambient temperature	-40...+80 °C (-40...+176 °F)
Process temperature	-196...+450 °C (-321...+842 °F)
Process pressure absolute / max. overpressure limit	Vacuum...160 bar  (Vacuum...2320 psi)
Pressure measuring range
Main wetted parts	316L, Alloy C, PTFE, ceramic
Process connection	Thread: MNPT 1 1/2, R 1 1/2 Flange: DN50...DN150, ASME 2"...6", JIS 10K, 63K
Process connection hygienic	Tri-Clamp ISO2852
Blocking distance
Sensor length
Max. measurement distance	Standard: 40 m (131 ft) With enhanced dynamics: 70 m (229 ft)
Output	4...20 mA HART  PROFIBUS PA FOUNDATION Fieldbus
Certificates / Approvals	ATEX, IECEx, Overfill prevention WHG SIL EN 10204-3.1 NACE
Options	Display, Customized parameterization Gas-tight feed through Antenna extension PWIS free
Specialities	SIL 2 according to IEC 61508, Safety and reliability with Multi-Echo Tracking, HistoROM
Application limits	Maximum measuring range is dependent on the tank form and/or application Ammoniacal gas phase: FMR54 in stilling well Strong buildup formation: FMR54 with air purge 316L or Alloy C non-resistant: FMR50, FMR52, FMR53 Hygiene requirements: FMR52, FMR53 Custody transfer measurement: FMR5xx